William h



(No Model.)

W, H. H. LYNN & G. w. EYLER,

GQRNSTALK CUTTER AND GRUSHER.

Patented May 9, 1882.

INVENTOB,

WITNESSES y ATTORNEYS.-

NV PEI'ERS. Pholmuthognplwr, wanm. u a

, YUN TE ST TES PATENT OFF CE.-

WILLIAM H. H. LYNN AND GEORGE w. EYLER, or STAUNTON, VIRGINIA.

Y CORNSTALKCUTTER ANDACRUSHER.

SPECIFICATION forming part of Letters Patent No. 257,731, dated May 9,1882. l

l l i l I Application filed February 6,1882. (No model.) d

To all whom itmay conce t-n: i

Be itknown that we, WILLIAM ELI]. LYNN and GEORGE W. EYLER,of Staunton,Augusta county, State of Virginia, have invented a new and ImprovedGornstalk Gutter and Crusher; and we do herebydeclare that the followingis a full, clear, andexact description of the same, reference being hadto theaccom pan yin g drawings, forming part of this specification, inwhich t Figure l isa top or plan view. Fig. 2 is afrontelevation andFigs. 3, 4, 5, and 6 are detail views. I a

Our invention relates to improvementsin eornstall; cutters and crushers;and it con sists in the peculiar construction and arrangement of theparts, as hereinafter more fully set forth.

In the accompanying drawings, a represents the frame ofour improvedmachine, in which is journaled the horizontal shaft b, carrying thecircular cutter-head. 0, provided with one or more cutters, d, on itsfront face. The cutters d are straight, and are secured; to the frontface of the cutter-head, so that the cuttingedge of each cutter shallstartfroni a point, e, on the circumference of the head slightly belowthe-horizontal diameter j'g of the cutterhead,and thence be inclinedupward to a point, h, on theyertieal diameter ij, from one to threeinches above the center of the cutter-head, by which construction thecutters are straight and are not radial.

k To represent slots made in the cutterhead, and lying below and behindthe cutters (l and parallel to their cutting-edges, for the passage ofthe cut cornstalks to the crushing devices.

Z represents a ledger-plate secured to the upper face of the frame a.The cutting-edge l of the ledger-plate is inclined downwardly andoutwardly, or from the shaft b of the cutterhead, with its inner end, 1highest and slightly curved up, for a purpose hereinafter described.

on represents a feed-box provided with a bottom inclined in the samedirection as the cutting-edge of the ledger-plate.

n 12. represent two parallel standards, secured to the frame a and eachprovided with a vertical slot, n',in which slots is journaled the uppercorrugated or longitudinally-fluted truncated conical roller, 0.longitudinally in the usual manner, and each The roller 0 is flutedprojecting rib o has its apex planed off and its upper face providedwith a smaller longitudinal flute, 0 whereby a better hold on the stalksis attained.

p 1) represent cyeholts, through thee-yes of which thejournals'of theupper roll, 0, pass.

q q represent spiral springs, each encircling an eyebolt, one end ofeach spring bearing against ajournal of the upper roll and the oppositeend ofthe spring bearing against the upper and lower rolls, 0 s, arehorizontal and parallel with each other, and in the same vertical planeparallel with the vertical plane of the cutters. The larger end of thelower feedcutter-head, and the upper rib of the lower feed-roll is inthe same inclined plane or one parallel to the inclined cutting-edge ofthe ledger-plate. Thenpperandlowerfeed-rollers, o s, are arranged sothat the larger end of one roller, s, is arranged toward. the center ofthe.

shall lie opposite the smaller end of theother,.-

as shown in the drawings. By this construction the axes of the conicalrolls 0 8 may be arranged horizontally, and in the revolution of thecutters the inclined plane of the lower roll, .9, will offer aresistance to the passage of the cornstalks forced by the cutters (1toward the center of the cntter head 0.

t represents a sprocket-wheel on the shaft 1), around which passes anendless chain, a, which also passes around the sprocket-wheel a on thehorizontal shaft c, journaled in the frame a and carrying at itsopposite end the beveled pinion w, which engages with the beveled wheela, secured to the spur-wheel b on the shaft 0 of the. lower feed-roller,s. The spur-wheel 11 engages with the spur-wheel d on the shaft 6, whichis connected with a sleeve, f, by a balland-socketj oint, the oppositeend of said sleeve being connected by a similar joint with the inner endof the shaft of the upper feed-roll. The rear face of the circularrotary cutter-head is thickly studded over its entire surface withpyramidal teeth h, having a hollow or cupshaped topface, h with fourprojecting points, It. The teeth It on the rear face of the cutterheadare not arranged in concentric circles with concentric spaces betweenthem for the passage of the stalks to be crushed, as in the ordinaryconstruction, but are arranged at irregular distances from the center,and the spaces between the teeth are interrupted at short intervals byother pyramidal teeth.

l represents a stationary crusher-plate, with about onethird of itsupper part cut away, adjustably secured to the frame a. opposite thecutter-head. The lower half of the crusherplate Z is thickly studded onits innerface in the same manner as the cutter-head, with pyramidalteeth m of the same construction as the pyramidal teeth h. The teeth h mon the cutter-head and crusher-plate are so arranged relatively to eachother that the crushing of the stalks is done between the facialprojections h of the teeth.

A represents a circular rim secured to the circumference of thecrusher-plate and extending forward so as to embrace the circumferenceof the cutter-head. The function of the rim is to prevent the exit ofthe cut stalks before they have been crushed.

In practice the stalks are fed into the machine between the conicalrolls 0 8 beyond the inclined cutting-edge of the ledger-plate, when thestraight revolving cutters strike the stalks first at or near thecircumference of the cutterhead, where the momentum is the greatest, and

from the above-described arrangement of the cutters a rotary and at thesame time sliding out is imparted to the cutters, and also, by reason ofthis and the inclination of the cuttingedge of the led gcr-plate, a moreacute angle is formed and retained throughout the entire out between thecutting-edges 0f the cutters and ledger-plate, whereby the stalksaremore easily severed, the inclination of the ledger-plate and the underroll and the grip of the rolls preventing the stalks i'rom moving towardthe center. The cut stalks pass through the slots in the cutter-head,and are immediately seized by and crushed between the facial projectionsof the pyramidal teeth on the surfaces of the cutter-head andcrusher-plate, and pass thence out of the machine. The outer end of theledger-plate, is made open, or with no obstruction to confine thestalks, and its inner end is made highestnand curved upwardly, as shownin Figs. 1 and 6, to prevent the stalks from being forced inwardly inthe revolution of the cutter-head, and the cuttingedge of theupwardly-curved part Z is a continuation of the cutting-edge Z of theledger-plate, so as to cut the stalks in con j unction with the cutters11 when the latter revolve so that their cutting-edges come opposite thecutting-edges of the part l of the ledger-plate l.

What we claim as our invention, and desire to secure by Letters Patent,is-

1. The combination, with the rotary circular cutter-head c andstraightcutters d, arranged thereon, as setforth, oftheinclinedledger-plate I, open at its outer end and provided with the inclinedcutting-edge l and upwardly-curved inner end, I, having its cutting-edgein line with the edge l of the ledger-plate, substantial] y asdescribed, and for thcpnrpose setforth.

2. The combination, with the lower longitiulinally-tlutcd conicalfeed-roll, s, ofthe upper adjustable longitudinally-fluted conicalfeedroll, 0, the apices of the projecting ribs of both conical rollsbeing cut away and provided with flutes, substantially as described, andfor the purpose set forth.

3. The combination, with the cutter-head c, of the pyramidal tooth it,having a hollow or cup-shaped top face, h provided with the fourprojectin gpoin ts, h substantial l y as described, and for the purposeset forth.

4. The combination, with the cutter-head 0, provided with pyramidalteeth h, each having a hollow or cup-shaped top face, if, provided withprojecting points h and arranged on its back face at irregular distancesfrom the center, of the stationary crusher-plate 1, provided withsimilar pyramidal teeth m, similarly arranged on its inner face,substantially as described, and for the purpose set forth.

I W. H. H. LYNN.

GEO. W. EYLER. Witnesses:

SoLoN O. KnnoN, GHAs. A. PETTIT.

